EP2722519A2 - Dispositif de démarrage pour moteur à combustion interne - Google Patents

Dispositif de démarrage pour moteur à combustion interne Download PDF

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Publication number
EP2722519A2
EP2722519A2 EP13183672.8A EP13183672A EP2722519A2 EP 2722519 A2 EP2722519 A2 EP 2722519A2 EP 13183672 A EP13183672 A EP 13183672A EP 2722519 A2 EP2722519 A2 EP 2722519A2
Authority
EP
European Patent Office
Prior art keywords
transmission component
damping elements
starting device
starter
supported
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13183672.8A
Other languages
German (de)
English (en)
Other versions
EP2722519B1 (fr
EP2722519A3 (fr
Inventor
Mathias Fein
Javier Bores
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEG Automotive Germany GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2722519A2 publication Critical patent/EP2722519A2/fr
Publication of EP2722519A3 publication Critical patent/EP2722519A3/fr
Application granted granted Critical
Publication of EP2722519B1 publication Critical patent/EP2722519B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
    • F02N15/046—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer of the planetary type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/062—Starter drives
    • F02N15/063—Starter drives with resilient shock absorbers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/067—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever

Definitions

  • the invention relates to a starting device for an internal combustion engine according to the preamble of claim 1.
  • the transmission components such as a ring gear of the planetary gear subject in operation jerky torque loads.
  • To reduce the load is in accordance with the EP 1 347 171 A1 provided to support the ring gear of the planetary gear via a damping ring on the gear housing.
  • On the damping ring form-fitting elements are arranged, which engage positively in corresponding receiving parts on the transmission housing. The damping takes place in the circumferential direction and in the axial direction.
  • the invention is based on the object to reduce the mechanical load in the drive train of a starting device for an internal combustion engine with simple constructive measures.
  • the starting device according to the invention which is used for starting internal combustion engines, has a starter pinion which is adjustable between a retracted non-functional position and a pre-loaded engagement position with a ring gear of the internal combustion engine.
  • the adjusting movement of the starter pinion is advantageously carried out by means of a starter relay, in particular an electromagnetic starter relay whose lifting armature movement can be transmitted directly or indirectly to the starter pinion via a transmission component, for example a fork lever.
  • the adjusting movement of the starter pinion between the non-functional and the engaged position is preferably an axial adjusting movement.
  • the rotational movement of the starter pinion is generated by an electric starter motor, which is followed by a gear for speed reduction, which is the output side connected to the starter pinion.
  • a transmission component is supported on both axial end faces via damping elements in the circumferential direction relative to adjacent components of the transmission or of the starter motor. The relevant transmission component receives during a rotational movement of the starter motor torques which are supported via the damping elements on the adjoining components.
  • the damping elements are located on both axial end faces and lie directly against the respective end face of the transmission component, so that the transmission component is fully supported in the circumferential or rotational direction via the damping elements and accordingly takes place in the circumferential direction damping or capping of torque peaks, so that also the adjacent components, which absorb the torque, are subject to a correspondingly lower load.
  • Another aspect of the invention also relates to a starting device with an electric motor driven starter pinion, which is adjustable between a non-functional position and an engagement position with a ring gear of the internal combustion engine.
  • the electric starter motor is followed by a transmission for speed reduction, wherein at least one Damping element is arranged on at least one axial end side of a transmission component.
  • the damping element is supported at least in the circumferential direction on the axially adjacent pole housing of the electric starter motor.
  • the pole housing thus absorbs moments in the rotational or circumferential direction, wherein torque peaks are reduced due to the storage in the circumferential direction over the or the damping elements.
  • the transmission component is supported via the arranged on both axial end faces damping elements in the axial direction of the adjacent components.
  • a floating mounting of the transmission component is achieved in the axial direction and in the circumferential or rotational direction.
  • a plurality of damping elements are arranged on at least one end face of the transmission component, but preferably on both end faces of the transmission component distributed over the circumference.
  • the damping elements on the opposite end faces can either have the same structure or differ in one parameter, for example with regard to the size, the geometry and / or the damping.
  • the damping elements are preferably made of an elastomer and are designed for example as an elastomer block. In the nominal or. Standard state to avoid direct contact between the transmission component and adjacent other components of the starter motor or the transmission, the transmission component is expediently dimensioned slightly smaller relative to the available installation space, so that the support is ensured exclusively by damping elements.
  • axially projecting support members are arranged on both end faces of the transmission component.
  • the damping elements can be supported on one side of the transmission component on a motor bearing plate, which in turn is supported on the pole housing of the starter motor.
  • the engine mount plate can be firmly connected to the pole housing, but be designed as a separate component.
  • an intermediate bearing part which also represents a component of the transmission.
  • the facing damping elements of the transmission component are supported in the circumferential direction and optionally in the axial direction.
  • the intermediate bearing part can be connected to the pole housing of the electric starter motor, in particular such that the intermediate bearing part is centered in the pole housing and thus the rotational position of the intermediate bearing part is aligned on the pole housing.
  • the transmission is, according to a further advantageous embodiment, a planetary gear, and in the axially frontally supported via damping elements gear member to a ring gear of the planetary gear, in which the planetary gears roll in operation.
  • starting device 1 for an internal combustion engine has a starter pinion 2, which is brought to start the internal combustion engine 4 in engagement with a ring gear 3 of the internal combustion engine.
  • the starter pinion 2 is mounted axially displaceably on a shaft 5 as indicated by the double arrow, wherein the starter pinion 2 is non-rotatably coupled to the shaft 5.
  • the starter pinion 2 is moved between a retracted non-functional position and an advanced engagement position with the ring gear 3 of the internal combustion engine 4 via a starter relay 6, which is electromagnetically formed and a Bestrombare relay winding 7 and a lifting armature 8, which pulled in energizing the relay coil 7 in this axially becomes.
  • the lifting armature 8 is kinematically coupled to the starter pinion 2 via an engaging lever 9, so that the axial adjusting movement of the lifting armature 8 between a rest position and an adjusting position is inserted into a corresponding axial adjusting movement of the starter pinion 2 between the non-functional position and the engaged position.
  • the rotating drive movement on the shaft 5 or the starter pinion 2 is generated by means of an electric starter motor 11, which is coupled via a planetary gear 12 with the shaft 5.
  • an electric starter motor 11 which is coupled via a planetary gear 12 with the shaft 5.
  • the starting device 1 is associated with a control or control device 10, via which the functions of the starter relay 6 and the starter motor 11 are controlled.
  • the starting device 1 is provided with a freewheel device, which is designed as a roller freewheel 14.
  • the engagement lever 9 acts on a spring element 13, the force is applied axially to a driver 15 of the roller freewheel 14, wherein with the driver 15, a support or roller collar 16 of the roller freewheel 14 cooperates and the support collar 16 is formed integrally with the starter pinion 2.
  • the rotational speed of the ring gear 3 is so high that the drive direction is reversed, via the roller freewheel 14, the kinematic coupling between driver 15 and Support collar 16 repealed.
  • the planetary gear 12 is shown, via which the drive movement of the electric starter motor is transmitted to the starter pinion.
  • the planetary gear 12 connects axially to a pole housing 17 of the starter motor and is partially overlapped by the pole housing 17.
  • Part of the planetary gear 12 is a ring gear 18, which has an internal toothing and rotate in the planetary gears of the planetary gear.
  • a drive movement through the starter motor act on the ring gear forces or moments in the circumferential or rotational direction, which are absorbed by the adjacent components.
  • damping elements 19 are arranged, via which the ring gear 18 is supported in the direction of rotation on the motor side via a motor bearing plate 20 on the pole housing 17 and on the opposite side to an intermediate bearing part 21.
  • the motor bearing plate 20 is fixedly connected in the direction of rotation with the pole housing 17, in the axial direction, the motor bearing plate 20 is held with play on the pole housing 17.
  • the damping elements 19 on the two end faces of the ring gear 18 also supported the ring gear axially against both the motor bearing plate 20 and the pole housing 17 and against the intermediate bearing part 21 from.
  • the ring gear 18 is floatingly mounted, so that the ring gear 18 is exclusively on the damping elements 19 in contact with surrounding components. In target or standard position of the ring gear 18, there is no direct contact in the axial direction or radial direction to the surrounding components.
  • the damping elements 9 are arranged angularly offset at the opposite end faces of the ring gear 18.
  • peg-shaped support members 22 are formed on which the damping elements 19 are supported at a load in the direction of rotation.
  • the Support members 22 may optionally also serve to receive and support the damping elements 19.
  • the pole housing 17 projects beyond the ring gear 18 in the axial direction and extends to the intermediate bearing part 21, which is centered on the pole housing 17.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP13183672.8A 2012-10-18 2013-09-10 Dispositif de démarrage pour moteur à combustion interne Active EP2722519B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012219044.9A DE102012219044A1 (de) 2012-10-18 2012-10-18 Startvorrichtung für eine Brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP2722519A2 true EP2722519A2 (fr) 2014-04-23
EP2722519A3 EP2722519A3 (fr) 2018-03-14
EP2722519B1 EP2722519B1 (fr) 2019-08-28

Family

ID=49223539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13183672.8A Active EP2722519B1 (fr) 2012-10-18 2013-09-10 Dispositif de démarrage pour moteur à combustion interne

Country Status (4)

Country Link
EP (1) EP2722519B1 (fr)
CN (1) CN103775266B (fr)
DE (1) DE102012219044A1 (fr)
HU (1) HUE046224T2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014217350B4 (de) * 2014-08-29 2022-03-24 Seg Automotive Germany Gmbh Elektrische Maschine mit einem als Antriebslager ausgebildeten Gehäuse und darin gelagertem Hohlrad

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1347171A1 (fr) 2002-03-22 2003-09-24 Valeo Mando Electrical Systems Korea Limited Démarreur équipé d'un dispositif amortisseur de chocs
DE102007026078A1 (de) 2007-05-27 2008-12-04 Robert Bosch Gmbh System aus Startvorrichtung und Brennkraftmaschine, Startvorrichtung sowie Brennkraftmaschine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5863361U (ja) * 1981-10-24 1983-04-28 三菱電機株式会社 遊星歯車減速機付スタ−タ
GB8830191D0 (en) * 1988-12-23 1989-02-22 Magneti Marelli Electrical Starter motors
JP3158514B2 (ja) * 1991-08-22 2001-04-23 株式会社デンソー スタータ
US6993989B2 (en) * 2002-04-26 2006-02-07 Denso Corporation Starting apparatus
JP4111017B2 (ja) * 2003-03-13 2008-07-02 株式会社デンソー スタータ
JP4247683B2 (ja) * 2004-12-17 2009-04-02 株式会社デンソー 遊星ギヤ機構減速式スタータ
JP4450226B2 (ja) * 2005-10-07 2010-04-14 株式会社デンソー スタータ
DE102009001835A1 (de) * 2009-03-25 2010-09-30 Robert Bosch Gmbh Elektrische Maschine mit integrierter Dämpfung für eine Getriebekomponente

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1347171A1 (fr) 2002-03-22 2003-09-24 Valeo Mando Electrical Systems Korea Limited Démarreur équipé d'un dispositif amortisseur de chocs
DE102007026078A1 (de) 2007-05-27 2008-12-04 Robert Bosch Gmbh System aus Startvorrichtung und Brennkraftmaschine, Startvorrichtung sowie Brennkraftmaschine

Also Published As

Publication number Publication date
CN103775266B (zh) 2016-06-08
HUE046224T2 (hu) 2020-02-28
CN103775266A (zh) 2014-05-07
EP2722519B1 (fr) 2019-08-28
EP2722519A3 (fr) 2018-03-14
DE102012219044A1 (de) 2014-04-24

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